Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
In Willemstad, January records the lowest average temperatures, peaking at 5.3°C (41.5°F) and reaching a low of 1.7°C (35.1°F).Humidity
The average relative humidity in January in Willemstad is 86%.Rainfall
In Willemstad, in January, it is raining for 9 days, with typically 10mm (0.39") of accumulated precipitation. Throughout the year, there are 104.9 rainfall days, and 132mm (5.2") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Willemstad. In Willemstad, during January, snow falls for 2 days and regularly aggregates up to 6mm (0.24") of snow. Throughout the year, there are 7 snowfall days, and 21mm (0.83") of snow is accumulated.Sea temperature
In January, the average sea temperature in Willemstad, Netherlands, is 6.7°C (44.1°F).Note: Danger awaits those who swim in 6.7°C (44.1°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.
Daylight
In January, the average length of the day is 8h and 25min.On the first day of the month, sunrise is at 08:48 and sunset at 16:42. On the last day of January, in Willemstad, sunrise is at 08:23 and sunset at 17:28 CET.
Sunshine
The average sunshine in January in Willemstad is 3.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 2 in January suggests the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Willemstad?
Is January cold in Willemstad?
What is the average humidity in January in Willemstad?
How much does it rain in Willemstad in January?
How many days does it snow in January in Willemstad?
What is the sea water temperature in January in Willemstad?
How many hours of daylight does Willemstad have in January?
What time are sunrise and sunset in January in Willemstad?
How many hours of sunshine does Willemstad have in January?
What are the months with the lowest UV index in Willemstad?
What is the UV index reading in January in Willemstad?
Average temperature in January
Willemstad, Netherlands
- Average high temperature in January: 5.3°C
The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in January: 1.7°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in January
Willemstad, Netherlands
- Average pressure in January: 1015.4mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in January
Willemstad, Netherlands
- Average wind speed in January: 16.9km/h
The windiest months (with the highest average wind speed) are February and December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in January
Willemstad, Netherlands
- Average humidity in January: 86%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Willemstad, Netherlands
- Average rainfall in January: 10mm
The wettest month (with the highest rainfall) is June (15mm).
The driest month (with the least rainfall) is April (5mm).
Average rainfall days in January
Willemstad, Netherlands
- Average rainfall days in January: 9 days
The month with the highest number of rainy days is August (10.3 days).
The month with the least rainy days is April (6.3 days).
Average snowfall in January
Willemstad, Netherlands
- Average snowfall in January: 6mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Willemstad, Netherlands
- Average snowfall days in January: 2 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Willemstad, Netherlands
- Average sea temperature in January: 6.7°C
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest months (with the lowest average sea temperature) are February and March (6.6°C).
Average daylight in January /
Average sunshine in January
Willemstad, Netherlands
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in January
Willemstad, Netherlands
- Average sunshine days in January: 17.6 days
The month with the most sunshine days is April (21.3 days).
The month with the least sunshine days is November (15.5 days).
Average UV index in January
Willemstad, Netherlands
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Willemstad, Netherlands
- Average cloud cover in January: 65
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 42).
Average visibility in January
Willemstad, Netherlands
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
